package com.atguigu.gulimall.seckill.interceptor;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.vo.MemberRespVo;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author 孤风雪影
 * @date 2021/1/21 15:20
 */
@Component
public class LoginUserInterceptor implements HandlerInterceptor {

    public final static ThreadLocal<MemberRespVo> loginUser = new ThreadLocal<>();

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String uri = request.getRequestURI();
        AntPathMatcher antPathMatcher = new AntPathMatcher();
        boolean match = antPathMatcher.match("/kill", uri);

        if (match) {
            MemberRespVo memberRespVo = (MemberRespVo) request.getSession().getAttribute(AuthServerConstant.LOGIN_USER);
            if (memberRespVo != null) {
                LoginUserInterceptor.loginUser.set(memberRespVo);
                return true;
            }else {
                //没登录就去登录
                request.getSession().setAttribute("msg", "请先进行登录");
                response.sendRedirect("http://auth.shopifymall.cn/login.html");
                return false;
            }
        }
        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserInterceptor.loginUser.remove();
    }
}
